body {
  /*height: 100vh;*/
}
.target {
  width: 40px;
  height: 40px;
  /*background-color: yellowgreen;*/
  /*transform: translate(280px, 300px);*/
  transform: translate(-17px, 59px);
}
.flyBall {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: skyblue;
  z-index: 111;
}